166 lines
3.6 KiB
JavaScript
166 lines
3.6 KiB
JavaScript
/**
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* Friendika people autocomplete
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*
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* require jQuery, jquery.textareas
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*/
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function ACPopup(elm,backend_url){
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this.idsel=-1;
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this.element = elm;
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this.searchText="";
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this.ready=true;
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this.kp_timer = false;
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this.url = backend_url;
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style = $(elm).offset();
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w = $(elm).width();
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h = $(elm).height();
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style.top=style.top+h;
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style.width = w;
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style.position = 'absolute';
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/* style['max-height'] = '150px';
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style.border = '1px solid red';
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style.background = '#cccccc';
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style.overflow = 'auto';
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style['z-index'] = '100000';
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*/
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style.display = 'none';
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this.cont = $("<div class='acpopup'></div>");
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this.cont.css(style);
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$("body").append(this.cont);
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}
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ACPopup.prototype.close = function(){
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$(this.cont).remove();
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this.ready=false;
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}
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ACPopup.prototype.search = function(text){
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var that = this;
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this.searchText=text;
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if (this.kp_timer) clearTimeout(this.kp_timer);
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this.kp_timer = setTimeout( function(){that._search();}, 500);
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}
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ACPopup.prototype._search = function(){
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console.log("_search");
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var that = this;
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var postdata = {
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start:0,
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count:100,
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search:this.searchText,
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type:'c',
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}
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$.ajax({
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type:'POST',
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url: this.url,
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data: postdata,
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dataType: 'json',
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success:function(data){
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that.cont.html("");
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if (data.tot>0){
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that.cont.show();
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$(data.items).each(function(){
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html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick)
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that.add(html, this.nick);
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});
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} else {
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that.cont.hide();
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}
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}
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});
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}
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ACPopup.prototype.add = function(label, value){
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var that=this;
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var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
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elm.click(function(e){
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t = $(this).attr('title');
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el=$(that.element);
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sel = el.getSelection();
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sel.start = sel.start- that.searchText.length;
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el.setSelection(sel.start,sel.end).replaceSelectedText(t).collapseSelection(false);
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that.close();
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});
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$(this.cont).append(elm);
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}
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ACPopup.prototype.onkey = function(event){
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if (event.keyCode == '13' && this.idsel>-1) {
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this.cont.children()[this.idsel].click();
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event.preventDefault();
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}
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if (event.keyCode == '38') { //cursor up
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cmax = this.cont.children().size()-1;
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this.idsel--;
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if (this.idsel<0) this.idsel=cmax;
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event.preventDefault();
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}
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if (event.keyCode == '40') { //cursor down
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cmax = this.cont.children().size()-1;
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this.idsel++;
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if (this.idsel>cmax) this.idsel=0;
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event.preventDefault();
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}
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if (event.keyCode == '38' || event.keyCode == '40' ) {
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this.cont.children().removeClass('selected');
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$(this.cont.children()[this.idsel]).addClass('selected');
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}
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if (event.keyCode == '27') { //ESC
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this.close();
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}
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}
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function ContactAutocomplete(element,backend_url){
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this.pattern=/@([^ \n]+)$/;
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this.popup=null;
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var that = this;
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$(element).unbind('keydown');
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$(element).unbind('keyup');
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$(element).keydown(function(event){
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if (that.popup!==null) that.popup.onkey(event);
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});
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$(element).keyup(function(event){
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cpos = $(this).getSelection();
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if (cpos.start==cpos.end){
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match = $(this).val().substring(0,cpos.start).match(that.pattern);
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if (match!==null){
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if (that.popup===null){
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that.popup = new ACPopup(this, backend_url);
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}
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if (that.popup.ready && match[1]!==that.popup.searchText) that.popup.search(match[1]);
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if (!that.popup.ready) that.popup=null;
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} else {
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if (that.popup!==null) {that.popup.close(); that.popup=null;}
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}
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}
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});
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}
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/**
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* jQuery plugin 'contact_autocomplete'
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*/
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(function( $ ){
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$.fn.contact_autocomplete = function(backend_url) {
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this.each(function(){
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new ContactAutocomplete(this, backend_url);
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});
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};
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})( jQuery );
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